小升初情态动词

1、小升初英语专项练习：情态动词一、情态动词的定义：情态动词有词义，但它不能单独作谓语，它必须和其他动词一起构成谓语。情态动词没有人称和数的变化；它的后面必须跟动词原形。二、情态动词的种类：情态动词有 can (could), may, must, have to, shall (should), will (would), need等，这些是小学阶段需掌握的情态动词。三、情态动词的用法：一、can, (could 过去式1) 表示能力体力、知识、技能。Can you lift this heavy box?体力Mary can speak three Ianguages.知识Can you sk

2、ate? 技能2) 表示请求和允许。Can I go now?Could Can you help me?Yes, of course.'Certa ini y. Sure.Could Can you tell me the way to the Zoo?3) 表示推测惊讶、疑心、不相信的态度，用于疑问句、否认句和感慨句中。Can this be true? This can ' t be done by him. How can this be true?二、may1)表示请求和允许。否认答复时可用can'或mustn' t，表示"不可以，禁止。Ma

3、y I smoke in this room? No, you mustn ' t.May I take this book out of the room? Yes, you can. (No, you can ' t / mustn ' t)用May I. ?征徇对方许可时比拟正式和客气，而用Can I.？在口语中更常见。2表示推测、可能性不用于疑问句。1. He may be very busy now.2. Your mother may not know the truth.3用于祈使句，表示祝愿。May you succeed!三、must, have to

4、1) must表示必须、必要，带有命令强制口气；而 have to表示不得不，很勉强，强调客观需 要。 You must come in time. We must help each other.My sister is ill; my mother has to look after her. I had to work whe n I was your age.注意：must的否认形式 mustn'表示禁止，意思是"不能，不许。在答复由must引起的疑问句时，如果是否认的，不能用mustn'禁止，不准，而用needn' t,don' t have

5、 to 不必要Must we hand in our exercise books today?- Yes, you must. No, you don ' t have to / you needn' t.2) must表示推测、可能性只用于肯定的陈述句，意思为“一定是，必然。1. You' re Tom ' s good friend, so you must know what he likes best.2. Your mother must be wait ing for you now.四、shall,1) shall用于第一人称，征求对方的意见。W

6、hat shall we do this evening?2) shall用于第二、三人称，表示说话人给对方的命令、警告、允诺或威胁。1. You shall f ail if you don ' t work hard.() 警告2. He shall have the book when I finish it.( 允诺)3. He shall be punished.(威胁)五 should 和 shouldn '表示 应该 劝告、建议。I should help her because she is in trouble.You should go to class r

7、ight away. She shouldn ' t play computer games too much. 六、will 过去式would1_做助动词，表示一般将来时，将要。He will be home at six. Bob will leave school n ext mon th.2作为情态动词时表示“愿意“意愿“会。I will help you. I will n ever do that aga in.Will / Would you pass me the ball, please?一根据所学情态动词，填写适当形式。1you like to go fish in

8、g with me?2I go home now? No, youstay here.3 Youtake more exercise.4The clocktell us the time. 5you tell me how to get to the Qingyun Park?6My mother is ill. Istay at home and look after her.7you like some tea? 8 Must I borrow the book with my ID card?No, you.9I use your car? Yes, you.10we play foot

9、ball this after noon?二按要求改写句子。1. I can swim fast. Ifast.否认句2. You must return the books now. 一般疑问句 -I the books now? - No, you3. They could take the books out of the room.否认句Theythe books out of the room.4. He can play basketball well.5. You should get up early.6. Could I borrow your pen?三对划线局部提问。一般

10、疑问句否认句You肯定否认答复_ hebasketball well?get up late.A. fini shesB. finishingC. fini shedD. finishA. cameB. comesC. comeD.will comeA. givi ngB. givesC. give nD.giveB. starti ngC. startD.startsB. WillC. AreD. DoA. must n'tB. can'tC. could n't D.may notA. couldB. mightC. shouldD. would2. We shou

11、ld plant more trees.1. We must n'tpick the flowers in the park.3. I would you likesome cakes to eat? 4. She could swim five years ago.5. We should protect an imals because they are our good friends .his sister.6. Tom could go to the cinema 电影院with四、圈出正确答案。1Lucy should her homework now.2My mother

12、 would back soon.3Could you me a hand.4Should I _ now.A. started5 I take this one?A. Could6- Can you speak English? - No, I7You go and see a doctor because you had a fever 发烧.D. shouldD. must n'tB. might C. would8Jimcome tonight, but he isn't very sure yet. A. should9The childre n play footb

13、all on the road.A. could n'tB. could C. must10- Can I take this book out. - No, you 一A. must not B. could notC. will n otD. aren't11I like to go with you. A. could B. would C. should D. willA. couldB. wouldC. shouldD. will13Youwatch TV after finishing your homework.A. wouldB. canC. mustD. sh

14、ould14It is late. Igo home now. A. could B. would C. should D. will15- What I do at the meeting? A. has to B. would like C. should D. not should16you tell me where the WenHua Market is? A. could B. must C. should D. have1 John_ come to see us tonight, but he isn't very sure yet.A. may B. need C.

15、 can ' t D. must2 John isn ' t in the classroom. He play soccer on the playground with Bob.A. canB. must C. shouldD. can ' t3 Thatnot be her husba nd . She is still sin gle.A. may C. could D. might 4Yougo and see a doctor at once because you got a fever.A. canB. must C. dareD. would5 -Ca

16、 n you speak Japa nese? -No, I6 -Hebe in the classroom, I thi nk.A. must n't B. can't C. n eed n'tD. may not-No, hebe in the classroom. I saw him go homea minute ago. can; may not7 -Is Lena swimmi ng in the pool?A. may not B. must not8 He isn't at school. I thi nk heI"upset9 - What do you thinkB. must; may not-No, sheC. can'tbe ill. A. ca